Pertussis, commonly known as whooping cough, is a highly contagious bacterial infection of the lungs and airways. It causes severe coughing fits that can make

Croup is an infection that inflames the larynx, trachea, and bronchi, mostly in children under 3 years old. It is usually caused by a virus

Laryngitis is an inflammation of the voice box (larynx), sometimes affecting nearby areas like the throat and windpipe. It often causes hoarseness and a sore

Influenza, commonly called the flu, is a contagious respiratory infection that spreads quickly during epidemics and occasionally pandemics. It can be caused by viruses from

Acute epiglottitis is a rare but serious infection of the epiglottis, the small flap of tissue at the base of the tongue that covers the

Coryza, also known as the common cold, is an infection of the upper airways, including the nose and throat. It is very common, usually mild,

Acute bronchitis is a short-term infection of the airways (bronchi) that carry air to the lungs. It usually causes coughing and chest discomfort, and while

Bronchiolitis is an infection of the small airways in the lungs, called bronchioles, and it is most common in children under 2 years of age.